Question: Who did Elizabeth Taylor marry on 12th May 1959?
Paraphrase: On May 12th,1959 Elizabeth Taylor married who?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q34851 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1959')) }